/* Copyright (c) 2009 Christopher Humphries, Maxime Simon
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package userinterface.action;

import java.awt.event.ActionEvent;
import java.io.File;

import javax.swing.AbstractAction;
import javax.swing.ImageIcon;
import javax.swing.JFileChooser;
import javax.swing.JTextArea;

import command.Command;
import data.Buffer;

import userinterface.ActionHandler;
import userinterface.GraphicalInterface;

/**
 * @author Humphries Christopher - Simon Maxime
 * 
 */
public class OpenFile extends AbstractAction {

    private static final long serialVersionUID = 1L;
    private JFileChooser m_fileChooser;
    private Buffer m_buffer;
    private GraphicalInterface m_graphicalInterface;
    private ActionHandler m_actionHandler;
    private Command m_openFile;

    /**
     * @param fileChooser
     * @param buffer
     * @param graphicalInterface
     * @param textArea
     * @param actionHandler
     * @param openFile
     */
    public OpenFile(JFileChooser fileChooser, Buffer buffer,
	    GraphicalInterface graphicalInterface, JTextArea textArea,
	    ActionHandler actionHandler, Command openFile) {
	m_fileChooser = fileChooser;
	m_buffer = buffer;
	m_graphicalInterface = graphicalInterface;
	m_actionHandler = actionHandler;
	m_openFile = openFile;

	putValue(SMALL_ICON, new ImageIcon("images/folder.png"));
	putValue(SHORT_DESCRIPTION, "Open an existing file.");
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
     */
    @Override
    public void actionPerformed(ActionEvent e) {
	int ret = m_fileChooser.showOpenDialog(m_graphicalInterface);
	if (ret == JFileChooser.APPROVE_OPTION) {
	    File file = m_fileChooser.getSelectedFile();
	    m_actionHandler.setCurrentFileURL(file.getAbsolutePath());
	    try {
		m_openFile.execute();
	    } catch (Exception ex) {
		m_graphicalInterface.showErrorMsg("Failed to open file:\n" + ex);
	    }
	    m_graphicalInterface.resetText(m_buffer.read());
	}
    }
}
